Proteins come in animal products such as poultry, meats, fish, eggs, dairy products and plant based stuff like beans, nuts, and other foods. These foods should provide 12-15 percent of your daily calorie intake. And this is where the challenge lies -- how to extract the needed percentage from this food without consuming the excess bulk becomes a problem. Common topics for discussion include energy expenditure, fuel substrate metabolism, specific nutrient needs, ergogenic aids, hydration, and weight issues for exercising individuals and athletes. In personal sports and fitness training, for example, the optimum way to get the most out of their workouts and feel their best is by designing an energizing, performance-enhancing nutrition plan, tailored specific needs of their bodies. There still has been no scientific explanation for this, but it is in truth that women are very conscious of weight. So having a normal weight will give you a healthy psychological system. Calcium is a mineral that plays an essential role in growth. In sports, muscle and mind coordination is important. Products that are based on false or misleading marketing should be and are banned and condemned. Through product sales and advances in research and development, the Sports Nutrition Nutraceutical Industry is now validating what was proven, early on, by the fitness and nutrition pioneers -- sports nutrition products provide easier access to a healthier way of performing and living. Just imagine the gallons of sweat you lose when you are pumping that body of yours. That is why water is the most important factor in sports nutrition. It is not the only factor, but in truth, it is the most important. It makes up about sixty percent of your body weight and is involved in almost all of your bodily processes. There is such a thing as iron overdose. Consult your physician first before you take iron as part of your sports nutrition supplement. Sports Nutrition Supplements: Proteins and Carbohydrates Protein and carbohydrate are two of the most important sports nutrition supplements. Protein help the muscle grow and gain strength while carbohydrates fuel the body for long hours of exercise ahead.